RS PRO Hex Screwdriver Bit, 0.25 mm Tip, 4 mm Tip, Hex Drive, 25 mm Overall 1-Piece

Tool bits to drive slotted and Supadriv/Pozidriv™ screws, hexagon and TORX® socket screws. All bits have a hexagon shaft section ( in. across flats) with notches which enable them to locate and latch into the appropriate driver.